WMAP Loss Imbalance Template
FITS Header Information

The maps are contained in a binary table containing TEMPERATURE and N_OBS columns.

Primary Header

SIMPLE  =                    T /FITS format
BITPIX  =                   16 /Dummy primary header
NAXIS   =                    0 /No data is associated with this header
EXTEND  =                    T /Extensions may (will!) be present
RESOLUTN=                    4 /Resolution Index
PIXTYPE = 'HEALPIX '           /Pixel algorigthm
ORDERING= 'NESTED  '           /Ordering scheme
NSIDE   =                   16 /Resolution Parameter
FIRSTPIX=                    0 /First pixel (0 based)
LASTPIX =                 3071 /Last pixel (0 based)
COMMENT This file contains the first QU loss imbalance template for the specifie
COMMENT differencing assembly.  The res 4 Q and U components have been
COMMENT concatenated together to form the 6144 element vector supplied here.
COMMENT The first year of data went into the map.
DATE    = '2009-05-18T15:20:28' /file creation date (YYYY-MM-DDThh:mm:ss UT)
TELESCOP= 'WMAP    '           /Wilkinson Microwave Anisotropy Probe
REFERENC= 'WMAP Explanatory Supplement:  http://lambda.gsfc.nasa.gov/' /
REFERENC= 'Jarosik, et.al., 2010' /
REFERENC= 'Jarosik et.al., 2007 ApJS 170, 263' /
STOKES  = 'QU      '           /
DA      = 'K1      '           /WMAP Differencing Assembly
FREQ    = 'K band  '           /Frequency band
RELEASE = 'DR4     '           /WMAP Release
END

Temperature Map Table

XTENSION= 'BINTABLE'           /Binary table written by MWRFITS v1.4b
BITPIX  =                    8 /Required value
NAXIS   =                    2 /Required value
NAXIS1  =                    8 /Number of bytes per row
NAXIS2  =                 6144 /Number of rows
PCOUNT  =                    0 /Normally 0 (no varying arrays)
GCOUNT  =                    1 /Required value
TFIELDS =                    2 /Number of columns in table
COMMENT
COMMENT  *** End of mandatory fields ***
COMMENT
COMMENT
COMMENT  *** Column names ***
COMMENT
TTYPE1  = 'TEMPERATURE '       /
TTYPE2  = 'N_OBS   '           /
COMMENT
COMMENT  *** Column formats ***
COMMENT
TFORM1  = 'E       '           /
TFORM2  = 'E       '           /
END

More information concerning the contents of this file is available.